cmake VTK_OPENGL_HAS_EGL examples

Kitware/VTK CMake/vtkOpenGLOptions.cmake :52

option(VTK_OPENGL_HAS_EGL "Enable EGL support for creating GPU accelerated offscreen context" "${default_has_egl}")

Kitware/VTK CMake/vtkOpenGLOptions.cmake :53

mark_as_advanced(VTK_OPENGL_HAS_EGL)

Kitware/VTK CMake/vtkOpenGLOptions.cmake :55

message(FATAL_ERROR "VTK_OPENGL_HAS_EGL is ON, but APPLE platform does not support EGL!")

Kitware/ParaView Remoting/Core/CMakeLists.txt :108

list(APPEND vtkPVOptions_defines
    VTK_OPENGL_HAS_EGL)